EP3722775A3 - Surveillance de service de jambe d'amortisseur à deux étages et activé par course à l'aide de capteurs et de mesure de jambe physique - Google Patents

Surveillance de service de jambe d'amortisseur à deux étages et activé par course à l'aide de capteurs et de mesure de jambe physique Download PDF

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Publication number
EP3722775A3
EP3722775A3 EP19215693.3A EP19215693A EP3722775A3 EP 3722775 A3 EP3722775 A3 EP 3722775A3 EP 19215693 A EP19215693 A EP 19215693A EP 3722775 A3 EP3722775 A3 EP 3722775A3
Authority
EP
European Patent Office
Prior art keywords
shock strut
strut
sensors
chamber pressure
dual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19215693.3A
Other languages
German (de)
English (en)
Other versions
EP3722775A2 (fr
Inventor
Amir Fazeli
Susanne M. Reber
Adnan Cepic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodrich Corp
Original Assignee
Goodrich Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goodrich Corp filed Critical Goodrich Corp
Publication of EP3722775A2 publication Critical patent/EP3722775A2/fr
Publication of EP3722775A3 publication Critical patent/EP3722775A3/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/04—Suspension or damping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • G01F22/02—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0808—Diagnosing performance data
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
    • G07C5/0825—Indicating performance data, e.g. occurrence of a malfunction using optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58—Arrangements or adaptations of shock-absorbers or springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/60—Testing or inspecting aircraft components or systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
EP19215693.3A 2019-04-11 2019-12-12 Surveillance de service de jambe d'amortisseur à deux étages et activé par course à l'aide de capteurs et de mesure de jambe physique Pending EP3722775A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/381,981 US11390397B2 (en) 2019-04-11 2019-04-11 Dual stage stroke activated shock strut service monitoring using sensors and physical strut measurement

Publications (2)

Publication Number Publication Date
EP3722775A2 EP3722775A2 (fr) 2020-10-14
EP3722775A3 true EP3722775A3 (fr) 2020-11-25

Family

ID=68916181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19215693.3A Pending EP3722775A3 (fr) 2019-04-11 2019-12-12 Surveillance de service de jambe d'amortisseur à deux étages et activé par course à l'aide de capteurs et de mesure de jambe physique

Country Status (4)

Country Link
US (1) US11390397B2 (fr)
EP (1) EP3722775A3 (fr)
BR (1) BR102020000393A2 (fr)
CA (1) CA3063123A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220127016A1 (en) * 2020-10-27 2022-04-28 Safran Landing Systems Canada Inc Gas dissolution prediction system and method for an aircraft shock strut
GB2616636A (en) * 2022-03-15 2023-09-20 Airbus Operations Ltd Sensor device and method for aircraft shock-absorber

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140046533A1 (en) * 2010-08-31 2014-02-13 C. Kirk Nance Automated inspection of aircraft landing gear internal fluid levels
EP3428475A1 (fr) * 2017-07-05 2019-01-16 Goodrich Corporation Système de surveillance d'entretien d'amortisseur à gaz-fluide mélangé à deux étages et activé par course

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10036443B2 (en) * 2009-03-19 2018-07-31 Fox Factory, Inc. Methods and apparatus for suspension adjustment
JP5426431B2 (ja) * 2009-06-30 2014-02-26 株式会社ショーワ 油圧緩衝器
US8886402B1 (en) * 2010-04-22 2014-11-11 Armorworks Enterprises LLC Actively variable shock absorbing strut and system
US9285007B2 (en) * 2014-03-21 2016-03-15 Goodrich Corporation Servicing monitoring system for mixed fluid-gas shock struts
US9773357B2 (en) * 2014-03-21 2017-09-26 Goodrich Corporation Aircraft landing gear shock strut performance monitoring
US9446859B2 (en) * 2014-08-19 2016-09-20 Goodrich Corporation Single-stage, separated gas-fluid shock absorber servicing
US10641685B2 (en) * 2016-08-30 2020-05-05 Goodrich Corporation Shock strut service monitoring using gas pressure and temperature sensors, combined with physical strut measurement and taking into account gas absorption/desorption in a fluid
US10266256B2 (en) * 2017-03-24 2019-04-23 Goodrich Corporation Dual-stage, pressure-activated, mixed fluid gas shock strut servicing monitoring system
US10269188B2 (en) 2017-07-05 2019-04-23 Goodrich Corporation Dual-stage, separated gas/fluid shock strut servicing monitoring system using two pressure/temperature sensors
US10269189B2 (en) * 2017-07-05 2019-04-23 Goodrich Corporation Dual-stage, separated gas/fluid shock strut servicing monitoring system using one pressure/temperature sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140046533A1 (en) * 2010-08-31 2014-02-13 C. Kirk Nance Automated inspection of aircraft landing gear internal fluid levels
EP3428475A1 (fr) * 2017-07-05 2019-01-16 Goodrich Corporation Système de surveillance d'entretien d'amortisseur à gaz-fluide mélangé à deux étages et activé par course

Also Published As

Publication number Publication date
US11390397B2 (en) 2022-07-19
CA3063123A1 (fr) 2020-10-11
US20200324920A1 (en) 2020-10-15
EP3722775A2 (fr) 2020-10-14
BR102020000393A2 (pt) 2020-11-03

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